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Auto merge of #149799 - lnicola:backport-disable-postcard, r=lnicola

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[beta] Backport rust-analyzer proc macro server "disable postcard use temporarily"
This commit is contained in:
bors 2025-12-14 18:25:26 +00:00
commit eb937a3172
1 changed files with 3 additions and 1 deletions
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4
src/tools/rust-analyzer/crates/proc-macro-api/src/process.rs
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@ -58,7 +58,9 @@ impl ProcMacroServerProcess {
if v.pre.as_str() == "nightly" { *v > VERSION } else { *v >= VERSION }
});
let formats: &[_] = if has_working_format_flag {
let formats: &[_] = if std::env::var_os("RUST_ANALYZER_USE_POSTCARD").is_some()
&& has_working_format_flag
{
&[
(Some("postcard-legacy"), Protocol::LegacyPostcard { mode: SpanMode::Id }),
(Some("json-legacy"), Protocol::LegacyJson { mode: SpanMode::Id }),